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Fast transpose of sparse matrix----data structure

Fast transpose of sparse matrices using two methods#include This article is from the "Traces" blog, be sure to keep this source http://wpfbcr.blog.51cto.com/10696766/1758884Fast transpose of sparse matrix----data structure

Look at the data structure write code (35) adjacency matrix representation of graphs

Talk: Recently Ching Ming small holiday, a good relaxed a bit. Both before and after the festival are a bit lax. Not good, bad. You are insisting. Come on.The adjacency matrix representation of graphs is to represent the data structure of a graph with two arrays. One is a vertex array and the other is an array of adjacency matrices. The relationship that holds vertices in the adjacency matrix.It is simpler

Reading Chinese character dot matrix data with PHP programming

Programming | Chinese Characters | data Background knowledge:Simplified Chinese GB Font (1981-year order, mainland China). 7,445 characters, of which 6,773 Chinese characters, including 3,755 first-level Chinese characters, two-grade Chinese characters 3,008. 2-byte (16-bit binary) encoding is used.Location Code: GB GB2312 stipulates that all GB characters and symbols form a 94x94 matrix. In this phalanx, e

C + + version of OPENCV and MATLAB matrix data passed through TXT file

Recently need to work with MATLAB and C + +, in order to circumvent the code from MATLAB to C + +, can only convert data. (I also translated the code, found that MATLAB for the matrix calculation is more convenient and fast)The storage of data in Opencv seems like only files in specific formats such as XML, YML, and Matlab is less likely to read such files. So, I

Using the data flow engine for large matrix operations

Today, data is growing faster than processing speed, and the only solution is to parallelize on large clusters, and this technology is widely used in the enterprise and network industries. The main contents of this chapter are: Explain the difference between data stream and traditional network programming, the limitation of MapReduce, Spark computing engine, Matrix

PHP reads the dot matrix data of Chinese characters

This article gives you a detailed account of the use of PHP to read the Chinese character of the lattice data method and examples, very practical, there is a need for small partners can refer to. Problems encountered in the project: How does PHP read the Chinese character's dot matrix data? To enter a paragraph of text, you can get the text of all the lattice c

Data structure---C-language implementation graph array (adjacency matrix) storage representation

An array of graphs (adjacency matrix) stores representations of # include Watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity /center "> Data structure---C-language implementation graph array (adjacency matrix) storage representation

See Data structure Write code (21) Sparse matrix (cross list mode)

After writing this example, it took me a lot of time to spend most of my time debugging memory issues.For example, when the cross-linked list is destroyed, the node space is freed multiple times, resulting in an _CrtIsValidHeapPointer (puserdata) exception. When a space is allocated using malloc, the starting address and length of the space are added to a linked list. Free (p), the address space is looked up from the list, and the node is removed from the linked list when it is found. _CrtIsVali

Data structure--c Language description Fifth (3) Cross linked list storage sparse matrix

This period of time to see C++primer, deeply understand the C + + is how complex a language, but in C + + contains a lot of C language does not have many characteristics, do not say so much, and so I swallowed it to read I should start to update the C + + blog, of course, this book I will be updated, haha. The fifth chapter of the last content, with the cross linked table storage coefficient matrix, of course, I look at the back of the picture seems t

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